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BOSTON MARATHON 2023

Yulin Weng

Bib: 21057•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:11
Rank: #17089
Start → 5K
26:11 | 8:26/mi
10K· 6.21 mi
52:03
Rank: #17045 (+44)
5K → 10K
25:52 | 8:20/mi
15K· 9.32 mi
1:18:06
Rank: #17072 (-27)
10K → 15K
26:03 | 8:23/mi
20K· 12.43 mi
1:44:29
Rank: #16997 (+75)
15K → 20K
26:23 | 8:30/mi
Half· 13.11 mi
1:50:19
Rank: #17052 (-55)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:11:27
Rank: #17103 (-51)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:41:28
Rank: #17730 (-627)
25K → 30K
30:01 | 9:40/mi
20M
2:54:42
Rank: #17943 (-213)
30K → 20M
13:14 | 9:44/mi
21M
3:05:30
Rank: #18184 (-241)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
3:12:21
Rank: #18196 (-12)
21M → 35K
6:51 | 9:09/mi
23M
3:24:57
Rank: #18367 (-171)
35K → 23M
12:36 | 10:04/mi
24M
3:34:30
Rank: #18439 (-72)
23M → 24M
9:33 | 9:33/mi
40K· 24.85 mi
3:42:57
Rank: #18499 (-60)
24M → 40K
8:27 | 9:53/mi
25.2M
3:46:49
Rank: #18572 (-73)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:56:37
Rank: #18686 (-114)
25.2M → Finish
9:48 | 9:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:06:18
Pace9:38 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4926:118:2626:11
8:26
-
10K
6.21 mi11:44:4152:038:2325:52
8:20
-0:06
15K
9.32 mi12:10:441:18:068:2326:03
8:23
+0:03
20K
12.43 mi12:37:071:44:298:2426:23
8:30
+0:07
Half
13.11 mi12:42:571:50:198:255:50
8:33
+0:03
25K
15.53 mi13:04:052:11:278:2821:08
8:43
+0:10
30K
18.64 mi13:34:062:41:288:4030:01
9:40
+0:57
20M
20.00 mi13:47:202:54:428:4413:14
9:44
+0:04
21M
21.00 mi13:58:083:05:308:5010:48
10:48
+1:04
35K
21.75 mi14:04:593:12:218:516:51
9:09
-1:39
23M
23.00 mi14:17:353:24:578:5512:36
10:04
+0:55
24M
24.00 mi14:27:083:34:308:569:33
9:33
-0:31
40K
24.85 mi14:35:353:42:578:588:27
9:53
+0:20
25.2M
25.20 mi14:39:273:46:499:003:52
11:13
+1:20
Finish
26.22 mi14:49:153:56:379:029:48
9:37
-1:36

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:20 /mi

Average Pace

9:02 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:27

56% of race

Time at Steady Pace

1:17:54

33% of race

Time at Slower Pace

27:16

12% of race

Average Pace: 9:01 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:18:4926:118:2626:11
8:26
#17089
10K
6.21 mi11:44:4152:038:2325:52
8:20
#17045
15K
9.32 mi12:10:441:18:068:2326:03
8:23
#17072
20K
12.43 mi12:37:071:44:298:2426:23
8:30
#16997
Half
13.11 mi12:42:571:50:198:255:50
8:33
#17052
25K
15.53 mi13:04:052:11:278:2821:08
8:43
#17103
30K
18.64 mi13:34:062:41:288:4030:01
9:40
#17730
20M
20.00 mi13:47:202:54:428:4413:14
9:44
#17943
21M
21.00 mi13:58:083:05:308:5010:48
10:48
#18184
35K
21.75 mi14:04:593:12:218:516:51
9:09
#18196
23M
23.00 mi14:17:353:24:578:5512:36
10:04
#18367
24M
24.00 mi14:27:083:34:308:569:33
9:33
#18439
40K
24.85 mi14:35:353:42:578:588:27
9:53
#18499
25.2M
25.20 mi14:39:273:46:499:003:52
11:13
#18572
Finish
26.22 mi14:49:153:56:379:029:48
9:37
#18686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170895992599217068(Top 64%)5966(Top 52%)5966(Top 494%)
10K6.21 mi3.10 mi17045+445946+465946+4617113(Top 64%)5945(Top 52%)5945(Top 493%)
15K9.32 mi3.11 mi17072-275950-45950-417068(Top 64%)5966(Top 52%)5966(Top 494%)
20K12.43 mi3.11 mi16997+755926+245926+2416816(Top 63%)5834(Top 51%)5834(Top 483%)
Half13.11 mi0.68 mi17052-555962-365962-3618079(Top 68%)6543(Top 57%)6543(Top 542%)
25K15.53 mi2.42 mi17103-516006-446006-4417481(Top 66%)6274(Top 55%)6274(Top 520%)
30K18.64 mi3.11 mi17730-6276393-3876393-38720014(Top 75%)7773(Top 68%)7773(Top 644%)
20M20.00 mi1.36 mi17943-2136554-1616554-16119673(Top 74%)7679(Top 67%)7679(Top 636%)
21M21.00 mi1.00 mi18184-2416712-1586712-15820380(Top 77%)8131(Top 71%)8131(Top 674%)
35K21.75 mi0.75 mi18196-126722-106722-1018585(Top 70%)7154(Top 63%)7154(Top 593%)
23M23.00 mi1.25 mi18367-1716829-1076829-10720172(Top 76%)8056(Top 71%)8056(Top 667%)
24M24.00 mi1.00 mi18439-726875-466875-4619399(Top 73%)7662(Top 67%)7662(Top 635%)
40K24.85 mi0.85 mi18499-606916-416916-4119652(Top 74%)7861(Top 69%)7861(Top 651%)
25.2M25.20 mi0.35 mi18572-736968-526968-5220951(Top 79%)8557(Top 75%)8557(Top 709%)
Finish26.22 mi1.02 mi18686-1147042-747042-7420543(Top 77%)8311(Top 73%)8311(Top 689%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17068

Females

5966

F50-54

5966

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17113

Females

5945

F50-54

5945

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17068

Females

5966

F50-54

5966

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16816

Females

5834

F50-54

5834

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18079

Females

6543

F50-54

6543

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17481

Females

6274

F50-54

6274

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

20014

Females

7773

F50-54

7773

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19673

Females

7679

F50-54

7679

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20380

Females

8131

F50-54

8131

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18585

Females

7154

F50-54

7154

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20172

Females

8056

F50-54

8056

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19399

Females

7662

F50-54

7662

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19652

Females

7861

F50-54

7861

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20951

Females

8557

F50-54

8557

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20543

Females

8311

F50-54

8311

Passing Analysis

Category:
Athletes Passed
1155
Passed By
2752
Net Change
-1597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17089
5K → 10K343299+44#17089#17045
10K → 15K179206-27#17045#17072
15K → 20K215140+75#17072#16997
20K → Half1166-55#16997#17052
Half → 25K101152-51#17052#17103
25K → 30K51678-627#17103#17730
30K → 20M42255-213#17730#17943
20M → 21M36277-241#17943#18184
21M → 35K4658-12#18184#18196
35K → 23M36207-171#18196#18367
23M → 24M32104-72#18367#18439
24M → 40K3393-60#18439#18499
40K → 25.2M1083-73#18499#18572
25.2M → Finish20134-114#18572#18686
TOTALS11552752-1597
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing